function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Duelli, Peter & Henry, Charles S.', 12],
    ['Hassan, Muhammad Asghar & Liu, Xingyue', 30],
    ['Hassan, Muhammad Asghar & Oswald, John D. & Zia, Ahmed', 24],
    ['Linnaeus, Carolus', 16],
    ['Ma, Yunlong & Yang, Xingke & Liu, Xingyue', 14],
    ['Makarkin, V. N. & Solodovnikov, A. Yu. & Shchurov, V. I.', 8],
    ['Makarkin, Vladimir N. & Antell, Gwen S. & Archibald, S. Bruce', 21],
    ['Makarkin, Vladimir N. & Perkovsky, Evgeny E.', 10],
    ['Sosa, Francisco & Freitas, Sergio De', 12],
    ['Tauber, Catherine', 15],
    ['Tauber, Catherine A.', 26],
    ['Tauber, Catherine A. & Albuquerque, Gilberto S.', 11],
    ['Tauber, Catherine A. & Sosa, Francisco', 39],
    ['Tillier, Pierre', 13],
    ['Winterton, Shaun L. & Gupta, Ankita', 12],
    ['Other (47)', 121]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=384)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);